dear user about your fever you will follow these simple of treatment steps as alternative to tylenol but if symptoms persist you need to see your doctor for blood tests and investigations ibubrufen and meftal are good antipyretics that you could take for relief of fever as alternative to tylenol and it is safe for use ...... important step required with medications is doing cold compresses that decreases body temperature........making cold compresses and put your head or body under mild cold running water for atime if 10-15 minutes untill grade of fever reduced then take antipyretics........ibubrufen has excellent effect in lowering moderate fever ...... i....... ..simple cold compresses shouldnot be ignored....it will make you improve alot........... treatment of the cause of infection is the main step that if bacterial infection suspected you should take antibiotic as amoxicillin ....also your question about using food thermometer is yes it can measure body temperature hope that helps you wish you healthy life